byron.cz - robtex.com
byron.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 209.250.224.249🇬🇧 AS-VULTR209.250.224.0/21 Vultr Assigned Prefix | ||||||
| PTR | 209.250.224.249.vultrusercontent.com | ||||||
| NS | ns.parktons.com ⭐ | ||||||
| A | 46.8.8.88🇨🇿 GRANSY46.8.8.0/24 | ||||||
| NS | beta1.rdrhost.com | ||||||
| A | 209.250.224.249🇬🇧 AS-VULTR209.250.224.0/21 Vultr Assigned Prefix | ||||||
| PTR | 209.250.224.249.vultrusercontent.com | ||||||
| NS | beta2.rdrhost.com | ||||||
| A | 45.76.135.224🇬🇧 AS-VULTR45.76.128.0/20 Vultr Assigned Prefix | ||||||
| PTR | 45.76.135.224.vultrusercontent.com | ||||||
| MX | mail.parktons.com ⭐ | ||||||
| A | 155.138.212.151🇺🇸 AS-VULTR155.138.192.0/19 Vultr Assigned Prefix | ||||||
| PTR | 155-138-212-151.lum-int.io | ||||||
| SOA | ns.parktons.comroot@parktons.com serial=2617179285 | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1775931432 | ||||||
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
●NSbeta1.rdrhost.com2026-03-26 → 2026-04-11 · 3 obs
● 2026-03-26 03:17:00
● 2026-04-11 18:44:30
●NSbeta2.rdrhost.com2026-03-26 → 2026-04-11 · 3 obs
● 2026-03-26 03:17:00
● 2026-04-11 18:44:30
●NSns.parktons.com2026-03-26 → 2026-04-11 · 3 obs
● 2026-03-26 03:17:00
● 2026-04-11 18:44:30
○NSns1.regzone.cz2015-05-09 → 2017-04-08 · 4 obs
● 2017-04-08 09:27:58
○ 2026-03-26 03:17:00
○ 2026-04-11 18:44:30
○NSns1.regzone.de2015-05-09 → 2017-04-08 · 4 obs
● 2017-04-08 09:27:58
○ 2026-03-26 03:17:00
○ 2026-04-11 18:44:30
○NSns1.regzone.info2015-05-09 → 2017-04-08 · 4 obs
● 2017-04-08 09:27:58
○ 2026-03-26 03:17:00
○ 2026-04-11 18:44:30
○MXmail.byron.cz2015-05-09 → 2017-04-08 · 4 obs
● 2017-04-08 09:27:58
○ 2026-03-26 03:17:00
○ 2026-04-11 18:44:30
●MXmail.parktons.com2026-03-26 → 2026-04-11 · 3 obs
● 2026-03-26 03:17:00
● 2026-04-11 18:44:30
●A209.250.224.2492026-03-26 → 2026-04-11 · 3 obs
● 2026-03-26 03:17:00
● 2026-04-11 18:44:30
○A217.198.114.162015-05-09 → 2017-04-08 · 4 obs
● 2017-04-08 09:27:58
○ 2026-03-26 03:17:00
○ 2026-04-11 18:44:30
○A2a00:19a0:3:72:0:d9c6:7210:12015-05-09 → 2017-04-08 · 4 obs
● 2017-04-08 09:27:58
○ 2026-03-26 03:17:00
○ 2026-04-11 18:44:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | b.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz | - |
| byron.cz | beta2.rdrhost.com, beta1.rdrhost.com | - |
✅ Authoritative Response
Server:209.250.224.249
NS records: beta2.rdrhost.com, beta1.rdrhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for byron.cz (unsigned zone)
⏱️ Timing
Total: 1069ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.250.224.249 |
| NS | 2 | beta1.rdrhost.com, beta2.rdrhost.com |
| MX | 1 | mail.parktons.com (pri: 10) |
| SOA | 1 | ns.parktons.com root.parktons.com |
Analysis
IP Addresses
byron.cz resolves to a single IP: 209.250.224.249.
Other host names, for instance milady.cz, azdesign.cz, toll.cz, smiruj.cz and kraxnet.cz.aucro.cz share IP numbers with byron.cz.
Name Servers
byron.cz delegates to three name servers: ns.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com.
byron.cz shares some name servers with other domains, for example mail.logics.cz, psddwa.xyz, mayitech.com.domain.name, scorechallenge520.info and mail.yaho.cz.
These name servers are often used together with ns2.parktons.com, alpha1.rdrhost.com, alpha2.rdrhost.com, delta1.rdrhost.com, delta2.rdrhost.com, ai1.rdrhost.com, ai2.rdrhost.com, dns1.domain.name and dns2.domain.name.
Host names with a single IP: ns.parktons.com points to 46.8.8.88; beta1.rdrhost.com points to 209.250.224.249; beta2.rdrhost.com points to 45.76.135.224.
Mail Servers
byron.cz is handled by a single mail server, mail.parktons.com.
byron.cz shares the mail server setup with other domains, for example mailin2.monaron.com, beatfiltering.com2fhttp3awww.boostfreeonline.kazuc.com, flyparking.cz, scon.cz and 81-user46.scnet.cz.
Host name mail.parktons.com points to IP 155.138.212.151.